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Finding the Fourth Proportional to 248,509.38, 372,873.78 and 192,833.22

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Solution

The fourth proportional to 248,509.38, 372,873.78 and 192,833.22 is: 289,334.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,509.38 : 372,873.78 = 192,833.22 : x
  2. Step 2: Convert to fraction form
    248,509.38/372,873.78 = 192,833.22/x
  3. Step 3: Cross multiply
    248,509.38x = 372,873.78 × 192,833.22
  4. Step 4: Simplify right side
    248,509.38x = 71,902,451,650.97
  5. Step 5: Solve for x
    x = 71,902,451,650.97/248,509.38
  6. Step 6: Final answer
    x = 289,334.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.